[V4RB] difference between string & varchar

[Pedro fp]

G'day Folks

This may be a bit of a daft question & even been asked before, it also  
probably applies to more than just V4RB, so please forgive & bear with  
me.

I have never quite figured what, for practical purposes, the difference  
between a string field & a varchar field is. Even from what I read in  
the V4Rb docs they appear to be pretty much the same except in name. So  
could someone please explain the difference for me & offer some guide  
as to when I should choose one over the other?

Cheers, Pedro :-)

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